Highest Partnerships For Middlesex Against Glamorgan
| 1 | 132* | JM Brearley & CT Radley | Lord's Cricket Ground, St John's Wood | 1976 | a1725 |
| 2 | 203 | | Lord's Cricket Ground, St John's Wood | 1996 | a9890 |
| 3 | 150* | | Lord's Cricket Ground, St John's Wood | 1992 | a7511 |
| 4 | 220 | EC Joyce & JWM Dalrymple | Lord's Cricket Ground, St John's Wood | 2004 | a15905 |
| 5 | 88 | | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 1995 | a9278 |
| 6 | 110 | EC Joyce & BL Hutton | Sophia Gardens, Cardiff | 2005 | a16749 |
| 7 | 67 | JD Carr & RL Johnson | Sophia Gardens, Cardiff | 1995 | a9359 |
| 8 | 51 | | Sophia Gardens, Cardiff | 1997 | a10462 |
| 9 | 38 | | Hoover Sports Ground, Merthyr Tydfil | 1989 | a6078 |
| 10 | 21 | | St Helen's, Swansea | 1982 | a3404 |
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